| John K. Comer | |
| Birth Date: | 30 November 1944 |
| Birth Place: | Pine Falls, Manitoba |
| Office: | MLA for Nipawin |
| Term: | 1971–1975 |
| Party: | Saskatchewan New Democratic Party |
John Kristian Comer (born November 30, 1944) was a Canadian politician. He served in the Legislative Assembly of Saskatchewan from 1971 to 1975, as a NDP member for the constituency of Nipawin.[1]